BAL, B. S.; KHANNA, G.; BHARDWAJ, A.; SINGH, K. Evaluation of risk factors for lower extremity amputation in diabetic foot ulcer: a hospital based observational study in Northern India. International Journal of Research in Medical Sciences, [S. l.], v. 7, n. 4, p. 1190–1195, 2019. DOI: 10.18203/2320-6012.ijrms20191323. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/5858. Acesso em: 3 feb. 2026.